Home / 12,938,259,109.35-19,407,388,664.03-12,430,343,230.95

Finding the Fourth Proportional to 12,938,259,109.35, 19,407,388,664.03 and 12,430,343,230.95

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Solution

The fourth proportional to 12,938,259,109.35, 19,407,388,664.03 and 12,430,343,230.95 is: 18,645,514,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,259,109.35 : 19,407,388,664.03 = 12,430,343,230.95 : x
  2. Step 2: Convert to fraction form
    12,938,259,109.35/19,407,388,664.03 = 12,430,343,230.95/x
  3. Step 3: Cross multiply
    12,938,259,109.35x = 19,407,388,664.03 × 12,430,343,230.95
  4. Step 4: Simplify right side
    12,938,259,109.35x = 241,240,502,310,278,955,008
  5. Step 5: Solve for x
    x = 241,240,502,310,278,955,008/12,938,259,109.35
  6. Step 6: Final answer
    x = 18,645,514,846.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.